LIST
FEGURÐ OG VELLÍÐAN
HANDVERK
MENNING OG SAGA
SKEMMTUN
UMHVERFI
MATUR OG DRYKKUR
GRÆN FRAMTÍÐ
ÖFUGVERKFRÆÐI
VÍSINDI
ÍÞRÓTTIR
TÆKNI
KLÆÐANLEG TÆKNI
Sewing a LilyPad Button Circuit
Ed

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Ed

13. júlí 2026FI
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Sewing a LilyPad Button Circuit

Add a switch you can sew: a LilyPad button placed in the circuit lights your LED only while it's pressed. Same e-textile rules as before — + to + and - to -, no crossing lines — but now the button sits in the + line, so current flows only when you press it. A press-to-light patch for a bag, badge or costume.

Byrjandi
30 minutes

Leiðbeiningar

1

Plan the circuit with a button

Arrange a LilyPad LED, a LilyPad button and a coin-cell battery holder on felt. The button goes in the + line, between the battery's + tab and the LED's + tab, so pressing it completes the circuit.

Efni fyrir þetta skref:

LilyPad LED - 5 pcsLilyPad LED - 5 pcs1 pack
LilyPad Button BoardLilyPad Button Board1 piece
LilyPad Coin Cell Battery Holder - 20mmLilyPad Coin Cell Battery Holder - 20mm1 piece
Wool Felt SheetWool Felt Sheet1 sheet
2

Sew the positive line through the button

With conductive thread, stitch from the battery + tab to one tab of the button, then knot and cut; start fresh and stitch from the button's other tab to the LED + tab. Loop 3–4 times through each hole for firm contact and trim the tails short.

Efni fyrir þetta skref:

Conductive Thread - 60g (Stainless Steel)Conductive Thread - 60g (Stainless Steel)1 spool
Hand Sewing Needles (Assorted, 30-Pack)Hand Sewing Needles (Assorted, 30-Pack)1 pack
3

Sew the negative line

With a fresh thread, stitch the LED - tab straight to the battery - tab. Keep this line well away from the + line and the button — anywhere the two conductive paths touch, the circuit shorts.

4

Press to test

Slot in a CR2032 (+ side up). Press the button — the LED lights; release — it goes out. If it stays dark, check that both button tabs are stitched into the line and that no threads are touching across the two sides.

Efni fyrir þetta skref:

CR2032 Coin Cell BatteryCR2032 Coin Cell Battery1 piece
5

Secure and use

Seal each knot with a dab of clear nail polish or fabric glue so it can't loosen. Sew the felt onto a bag, badge or costume — you've made a press-to-light patch.

Efni

7
Estimated Total
$53.00

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